Optical Memory and Neural Networks

, Volume 27, Issue 3, pp 147–151 | Cite as

Spectral Characteristics of a Finite 2D Ising Model

  • I. M. KarandashevEmail author
  • B. V. KryzhanovskyEmail author
  • M. Yu. MalsagovEmail author


The paper gives the results of a numerical simulation of a two-dimensional Ising model built on finite lattices of dimension L = 50, 100, …, 500. Approximate analytical formulae for the spectral energy density are offered. Derived from Onsager’s solution with consideration of the finite size of the system, the formulae agree well with the simulation results.


spectral density 2D Ising model energy dispersion partition function internal energy critical point 


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Copyright information

© Allerton Press, Inc. 2018

Authors and Affiliations

  1. 1.Scientific Research Institute for System Analysis, Russian Academy of SciencesMoscowRussia
  2. 2.Peoples Friendship University of Russia (RUDN University)MoscowRussia

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